Home / 20,191.25-30,263.13-9,084.93

Finding the Fourth Proportional to 20,191.25, 30,263.13 and 9,084.93

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Solution

The fourth proportional to 20,191.25, 30,263.13 and 9,084.93 is: 13,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.25 : 30,263.13 = 9,084.93 : x
  2. Step 2: Convert to fraction form
    20,191.25/30,263.13 = 9,084.93/x
  3. Step 3: Cross multiply
    20,191.25x = 30,263.13 × 9,084.93
  4. Step 4: Simplify right side
    20,191.25x = 274,938,417.63
  5. Step 5: Solve for x
    x = 274,938,417.63/20,191.25
  6. Step 6: Final answer
    x = 13,616.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.